Top rail for crib endboard



FIG. 1 is a top perspective view of a top rail for a crib endboard showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation view thereof, and,

FIG. 4 is a side elevation view thereof, the opposite side being a mirror image thereof.

The rear and bottom views form no part of the claimed design. The portion shown in dotted lines also form no part of the claimed design. 

The ornamental design of a top rail for a crib endboard, as shown and described. 